ByteDance first launched Douyin for the Chinese market in September 2016. It is used to create short music, lip-sync, dance, comedy and talent videos of 3 to 15 seconds, and short looping videos of 3 to 60 seconds.
TikTok, known in China as Douyin (Chinese: 抖音 pinyin: Dǒuyīn), is a Chinese video-sharing social networking service owned by ByteDance, a Beijing-based Internet technology company founded in 2012 by Zhang Yiming.